Toyota Tundra Trd 18 Inch Wheels And Tires on 2040-parts.com

Video: Tesla Model S Alpha undergoes on-track testing

The electric-car wizards at Tesla have released a sneak peek of the upcoming Tesla Model S Alpha undergoing on-track drive testing. The video provides a quick glimpse of three eerily quiet sedans, but not much more. Scintillating it's not, but it's nice to see the Model S Alpha sedan getting closer to production.

New BMW X4 price and specs for the UK – costs from £36,590

The new BMW X4 is now on sale in the UK The new BMW X4 – BMW’s baby X6 and a ‘coupe’ version of the very able X3 – arrived at the Geneva Motor SHow in March, and it’s now on sale in the UK priced from £36,590 for the BMW X4 xDrive20d SE, a chunky £3.5k more than the equivalent X3. But what you’re buying in the new X4 is a lifestyle statement rather than a family SAV like the X3, so the premium is so others know you’re prepared to pay more for a less practical urban SUV. Still, a similar scenario with the X5 and X6 hasn’t stopped buyers opting for the X6 instead and it seems likely the X4 will take an even bigger split of the X3/X4 sales than the X6 does from the X5.

The best new-car discounts and deals: March's biggest savings

With the 14-registration plate change in March, dealers and manufacturers will be expecting to build on a strong start to the year. To do that they’ll have to discount. Here’s our pick of the biggest new car discounts available.